72976422 has 16 divisors (see below), whose sum is σ = 147712320. Its totient is φ = 24032232.

The previous prime is 72976411. The next prime is 72976429. The reversal of 72976422 is 22467927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72976429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72772 + ... + 73767.

It is an arithmetic number, because the mean of its divisors is an integer number (9232020).

Almost surely, 2^72976422 is an apocalyptic number.

72976422 is an abundant number, since it is smaller than the sum of its proper divisors (74735898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72976422 is a wasteful number, since it uses less digits than its factorization.

72976422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146627.

The product of its digits is 84672, while the sum is 39.

The square root of 72976422 is about 8542.6238358013. The cubic root of 72976422 is about 417.8889191493. Note that the first 3 decimals are identical.

The spelling of 72976422 in words is "seventy-two million, nine hundred seventy-six thousand, four hundred twenty-two".